baber/WOPTO huggingface dataset:
Patent GB-803729-A (GB)
Title: Improved time limit overload switch device
Inventor: LLOYD JOHN DALE
Filed: 1955-02-12
Abstract: 803,729. Controllers. MAVOR & COULSON, Ltd. Feb. 12, 1955, No. 4232/55. Class 38 (3). Heavy overload conditions during the starting operation of electric motor-driven apparatus cause shafts 15, 16 to be turned until arm 18 engages stop 19B. A cam 21 moves with the shaft 16 to open a switch 12 in the control circuit of the motor, but the control circuit is maintained by a similar switch 11 which is connected in parallel with the switch 12. Rotation of the shaft 16 also allows a pin 25 to move clear of a slot in a sleeve 23 which is loosely mounted on the shaft 16, so that a spring 33 is free to raise a rod 29. This causes an arm 32 on the sleeve 23 to move and actuate a striker 20 for operating the switch 11. The upward movement of the rod 29 is controlled by a time delay device fixed to a bracket 28 and comprising a clockwork mechanism incorporating an escapement. Assuming that the starting conditions are normal, the switch 12 is re-closed before the switch 11 opens, whereby the motor circuit is maintained. When running conditions are reached, any overload is dealt with by the switch 12, the time-lag switch 11 remaining open. If, during the starting operation, the heavy overload conditions continue for an extended period, the switch 12 remains open, so that the motor is disconnected when the time-delay switch 11 opens. Specification. 803,730, [Group XXX], is referred to.
Patent GB-661573-A (GB)
Title: Disc brake
IPC: F16D55/32
Filed: 1949-02-16
Abstract: 661,573. Disc brakes. WINGFOOT CORPORATION. Feb. 16, 1949 [July 15, 1948], No. 4284/49. Class 103 (i). A spot-type disc brake comprising a stationary C-shape housing 6 surrounding part of the disc periphery, a block of a friction material 11 carried by the housing for engaging one side of the disc and a second block of friction material 18 carried by a plunger 15 for engaging the other side of the disc, is characterised in that the plunger 15 has a fixed length stem 20, the end of which is engaged by a hydraulicallyactuated piston operated by a master cylinder 29. There is secured to a plate 21 on one face of the housing 6 a resilient plate having upturned edges, the deflection of which by the piston 24 produces a resistance force providing a warning that the pads 11, 18 are almost worn out. In a modification the disc 4, instead of being mounted on splines for axial movement, is fixed, and the C-shape housing is movable.
Patent GB-1109013-A (GB)
Title: Cavity wall
Inventor: STARKEY FRANK WILLIAM
IPC: E04B1/76
Filed: 1966-02-01
Abstract: 1,109,013. Cavity wall filling. HULTON ESTATE Ltd. 15 July, 1966 [1 Feb., 1966], No. 4291/66. Heading E1W.  A cavity wall is filled with crumbs of foamed polyurethane. A mixture of crumbs of “" diameter and ¥" diameter may be employed.
Patent GB-197055-A (GB)
Title: Improvements in ironing-machines of the decondun type
IPC: D06F65/10
Filed: 1922-02-14
Abstract: 197,055. Taylor, J. H. Feb. 14, 1922. Ironing-machines with rollers rotating against concave surfaces.-The rollers 7 of Decoudun machines are depressed in the usual manner by adjustable springs 13 and are supported at their bearings by means of springs 18 received in sockets 19 on adjustable brackets 20.
Patent GB-667287-A (GB)
Title: Improvements in or relating to union pipe connections
IPC: F16L19/02
Filed: 1949-02-17
Abstract: 667,287. Pipe joints. KING, G. R. Feb. 7, 1950 [Feb. 17, 1949], No. 4367/49. Class 99 (i) In a joint in which a nipple 15 on a pipe 11 is held on a conical seat in the coupling- member 17 by an internally flanged nut 14, the nut flange engages a flange 12 on a sleeve 10 which engages the nipple and extends through the nut, the sleeve having a wrenchengaging portion 18 so. that it may be held whilst the nut is . screwed up. The hexagonal head 18 is welded on to the sleeve after the parts are assembled. Alternatively the sleeve may have a hole for engagement by a hook spanner.
Patent GB-1035273-A (GB)
Title: Improvements in tubes
Inventor: METZ HENRY ENARN
IPC: F16L9/127
Filed: 1963-03-14
Abstract: 1,035,273. Plastic tubes. BAXTER LABORATORIES Inc. March 14, 1963, No. 4378/64. Divided out of 986,076. Heading F2P. A tube 1 of a thermoplastic material such as a polyamide, acrylic or vinyl resin, has a rounded open end 4 and a reinforcing portion 3 of increased wall thickness at that end.
Patent GB-587891-A (GB)
Title: Improvements in calendering apparatus
IPC: B29C43/24
Filed: 1944-03-09
Abstract: 587,891. Pressing compound sheet materials. SADGER, A. March 9, 1944, No. 4410. [Class 140] [Also in Group V] A calendering-machine for pressing plastic material into sheet form (see Group V) may also be used for uniting by means of rubber solution &c. two or more sheets produced by the calendering process. The machine comprises a cylinder A and a pressure cylinder B coacting therewith, one or more additional cylinders G, K (with or without co-operating pressure rollers B', B<2>) parallel to the cylinder A, and an endless steel or like band J passing between A and B and over the additional cylinders. The pressure cylinders are held down on the band-carrying cylinders by weighted levers E, the pressure of each of the cylinders B, B', B<2> being simultaneously regulatable by means of a hand wheel D, or independently adjustable by means of hand wheels F. The latter also enable the pressure cylinders to be lifted clear of the band-carrying cylinders when required. All the cylinders may be positively driven by gearing, and the band may be driven either by friction alone, or may be perforated for driving by sprocket wheels.
Patent GB-557105-A (GB)
Title: Switching arrangement for circuits carrying radio-frequency energy
IPC: H04L27/06
Filed: 1942-04-02
Abstract: 557,105. Valve circuits for wireless reception. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and RYN, B. VAN. April 2, 1942, No. 4428. [Class 40 (v)] A switching arrangement for a radio-frequency circuit includes, connected across the circuit, a rectifier, a source of direct current energy, and a switch for connecting the source to the anode of the rectifier to cause it to become conducting so as to present a low impedance to radio frequency energy. In Fig. 1, a valve V has the anode coupled to the grid through condensers C2, C3 and tuned circuit TC to form the second or beatfrequency oscillator of a superheterodyne receiver, the anode potential being fed in through high and low frequency chokes HFC, LFC respectively. As an amplifier, an audio frequency signal is fed in at AI and the audio output is taken at AO. To enable the second oscillator to be switched out, when receiving modulated carrier waves, a rectifier W is connected between a point X and earth, and can be made conducting at will by the anode being connected through resistance R and switch S to H.T. +. In a modification, Fig. 2 (not shown), the rectifier is a diode in the same envelope as the triode, a second diode serving for signal detection and A.V.C., the valve comprising the oscillator and low frequency stages of a superheterodyne receiver.
Patent GB-101062-A (GB)
Title: A New or Improved Machine for Opening and Pressing the Seams of Wearing Apparel in the Process of Manufacture.
Inventor: WILKIE WILLIAM
IPC: D06C3/06
Filed: 1916-03-25
Abstract: 101,062. Wilkie, W. March 25, 1916. Ironing-machines with pressing-action only. - Relates to treadle-operated machines wherein the work is pressed between a long lower stationary iron B tapering upwards, and a similar but inverted upper iron D mounted upon arms F, suitably counter-balanced and forced downwards by means of link-work J, F<1>. The upper iron carries a plough or projection H for opening the seams of the work as it is passed on to the machine, and the lower iron B may have a removable support at one end thereof facilitating the use of the machine for the legs and sleeves of garments. Fig. 4 shows the shapes of irons employed in dealing with curved seams, such as those of sleeves; they are revolubly mounted to admit of pressing the work when curved either upwards or downwards.
Patent GB-669565-A (GB)
Title: Improvements relating to milling cutters
IPC: B23C5/24
Filed: 1949-02-18
Abstract: 669,565. Milling cutters. BEGLE, H. E. Feb. 18, 1949 [April 1, 1948], No. 4481/49. Class 83 (iii). A milling cutter blade 14 whose cross-section is an equilateral triangle has a cutting edge 28 formed by the intersection of each two adjacent side faces and has its end faces disposed at right angles to the side faces. The blades 14 are fitted in dovetail slots 12 each formed by a groove 36 in the head and by the face 46 of a clamp 20 also engaging a tapered groove 42 and secured by screws 48. The bottom of the groove is inclined rearwardly and its axis is inclined inwardly towards the axis of the head so that cutting clearances are provided for the cutting point 28 and the outer face of the blade. In setting the blades, the forward end of each blade is pushed against a fixed stop-pin 16, so that its cutting-point is always in the same position, by a back-up screw 18 on a support 50 attached to the rear end of each clamp. When one cutting point is worn, the blade is refitted to use the other five points before the blade is removed for resharpening. In a modification, Fig. 8, the blades 14 are fitted in dove-tail slots 56 formed in the forward peripheral edge of the head and a groove 58 is provided along the bottom of each slot so that the portions of the head on opposite sides of the slot can be flexed by screws 60 to clamp the blade. Stop-pins 62 and rear supports 64 for back-up screws are fitted to the head. The Specification as open to inspection under Sect. 91 states also that blades may be of round, square or other prismatic section. This subjectmatter does not appear in the Specification as accepted.
Patent GB-143326-A (GB)
Title: Improvements in and connected with broken granular material, and grain purifying machines
IPC: B07B4/04
Filed: 1919-02-22
Abstract: 143,326. Parkinson, T. Feb. 22, 1919. Pneumatic separating.-In a purifying-machine for semolina, middlings, and other broken granular material, of the kind in which the material is acted on by an air current at a plurality of slits or nozzles 7 arranged one below the other, the heavier material at each point being caught and removed by a conveyer 14, while the lighter material falls on adjustable boards or deflectors 16 and is conducted to the next aspirating-nozzle, the nozzles are arranged in separate air trunks 4, 5, 6 to which the air is separately supplied from fans 1 mounted on a common shaft 2. The tailings are removed from the machine by a conveyer 23, and the lighter impurities, which are forced into the main chamber 8, fall to the bottom and are removed by a conveyer 26. The air from the chamber 8 returns to the fans through separate suction trunks 27 provided with regulating-valves 28.
Patent GB-1131966-A (GB)
Title: Improvements relating to unitized closure assemblies
IPC: B65D47/12
Filed: 1967-01-30
Abstract: 1,131,966. Bottling; capping bottles etc.; container closures. ALUMINUM CO. OF AMERICA. 30 Jan., 1967 [11 Feb., 1966], No. No. 4527/67. Heading B8T. [Also in Division A5] A unitized closure assembly for affixing on a bottle 10 containing liquid feed comprises a teat 30 having an imperforate rigid disc 62 positioned in a recess 60 therein and a frangibly removable inelastic cover 80 adapted to enclose the teat and compress it against the feeding bottle. The assembly is attached to a feeding bottle using a press (Fig. 21, 22). A typical example of an assembly after affixation to a feeding bottle is shown in Fig. 12 (left of centre). When the feeding bottle is to be used, the upper portion 82 of the cover 80 is broken off by application of hand pressure, fracture occurring across a line of weakness at 92. The teat 30 remains secured to the feeding bottle by means of band 94, and liquid in the bottle may be discharged through the teat by flowing around the edges of the disc. The closure assembly is preferably affixed to the bottle using sterilizing procedures.
Patent GB-1098653-A (GB)
Title: Gas analysis
IPC: G01N27/416
Filed: 1966-02-02
Abstract: 1, 098, 653. Electro-physical measurement. BECKMAN INSTRUMENTS Inc. Feb. 2, 1966 [Feb. 18, 1965], No. 4547/66. Heading G1N. Apparatus for determining the concentration of a species, such as SO 2 , in a gas stream that reduces a halogen in an electrolyte comprises what is effectively two cells with a common electrolyte and a shared electrode 14, the halogen (iodine) being generated at a constant rate at a platinum anode 16 by passing a current (measured at 76) between anode 16 and common electrode 14; part of this iodine reacting with the SO 2  in the gas sample entering the cell at 32 and passing through a bubble-lift 30 to a separator 44; the residual iodine being reduced at the common electrode 14 now forming a galvanic cell with a graphite cathode 12 and supplying current to a micro-ammeter 62. In the absence of SO 2 , the galvanic current measured at 62 is equal to the electrolytic current measured at 76. Any reduction in the galvanic current is proportional to the amount of SO 2  present. The common electrode 14 is either in the form of a graphite cloth immersed in a sludge of finely divided active carbon, or consists of silver chloride or calomel in intimate contact with silver or mercury respectively. This electrode is expendable as there is a net demand for surface oxide when SO 2  is present in the gas stream. The galvanic cell cathode 12 is a bundle of graphite threads, or graphite cloth, or graphite felt or platinum. The electrolyte comprises a solution of NaBr, NaI, NaH 2 PO 4  and Na 2  HPO 4 , or corresponding potassium or ammonium salts. The phosphates buffer off the acidity caused by the overall reaction.
Patent GB-563731-A (GB)
Title: Improvements in and relating to electrical regulator systems
IPC: H01F29/02
Filed: 1943-03-22
Abstract: 563,731. Electricity supply. BRITISH THOMSON-HOUSTON CO., Ltd. March 22, 1943, No. 4605. Convention date, March 28, 1942. [Class 38 (iv)] Transformer arrangements.-To prevent heavy circulating currents in the windings of regulating transformers operating in parallel when switches 6, 6<SP>1</SP> varying the twin ratios do not operate simultaneously, a balancing reactor or autotransformer 11 is connected between the transformer windings and the common output or input conductor, such as 12, so that any circulating current may develop a voltage to limit it. The turn ratios may be adjustable manually or, as shown, automatically. When the transformers have unequal ratings, the parts of the windings 11 are suitably proportioned. The arrangement is described also in its application to three three-phase transformers in parallel : each reactor has three windings with a common terminal connected to one phase conductor and each of the other terminals is connected to that phase of one of each of the transformers ; a reactor may be connected in the input side of each of two phases and a third reactor in the output side of the remaining. phase.
Patent GB-1140882-A (GB)
Title: Improvements relating to cross-flow cooling apparatus incorporating trickle elements
IPC: F28F25/08
Filed: 1966-02-02
Abstract: 1,140,882. Cooling towers. H. THUMM. 2 Feb., 1966 [3 Feb., 1965; 8 Oct., 1965], No. 4637/66. Heading F4K. [Also in Division B1] A cross-flow cooling tower includes upright plates 10 furnished with transverse needlelike projections 11, preferably formed integrally with the plates from plastics material. The surfaces of the plates and needles may be roughened to aid wetting. The plates 10 may be assembled in the form of units (Fig. 10) comprising rows of plates edge-to-edge horizontally in tiers comprising rows separated by the projections 11, and a plurality of tiers, with adjacent tiers in staggered relation to one another. The units are held together between end plates (22) by tie bolts (23) passing through tubes (21) preferably of plastics material, which tubes pass through apertures in diagonally opposite corners of the plates. In order to distribute the liquid, each plate is furnished along its upper edge with projecting ledges (14, Fig. 7), the edges of which touch those of adjacent plates when the unit is assembled, the liquid seeping through holes (15, Fig. 8) formed as semicircular recesses in the edge of each ledge (14). A distribution tray (16) of plastics material, furnished with larger apertures (17) is located above the uppermost tier for liquid distribution. In an alternative embodiment (Fig. 9) the ledges (18) are shaped so as to obviate the need for a separate distribution tray. The units may be assembled together to form the walls of a four- or five-sided cooling tower, the gas outlet being in the top of the tower, (Figs. 1, 2) or may form two walls of a three-sided cooling tower, the gas outlet being in the third wall (not shown); in either case, fans may be located in the gas outlet to assist draught.
Patent GB-286076-A (GB)
Title: Improvements in and connected with the construction of pressure-tight casings
IPC: F16J15/04
Filed: 1927-02-19
Abstract: 286,076. English Electric Co., Ltd., and Chittenden, J. P. Feb. 19, 1927. Joint - making packing.- Casings which are required to be pressure-tight and to resist bursting-pressure, have a joint comprising two pairs of flanges and two sets of bolts, the first pair 2 being thick and having large bolts 3 to resist bursting, and the second pair 4 being thinner and having small bolts 5 to make the joint pressure-tight. The flanges; are flexibly connected by the walls of a channel 6 through which hot fluid may be passed via an opening 8.
Patent GB-995791-A (GB)
IPC: C09B62/02
Filed: 1962-02-07
Abstract: The invention comprises dyes of formula <FORM:0995791/C4-C5/1> wherein F is the radical of a metallized azo dye, A is a fused benzene ring, X is a hydrogen or chlorine atom or an alkyl radical, Y is a hydrogen, chlorine or bromine atom, B is a chlorine or bromine atom, W is a sulphonamido, carbonamido, urea or azo bridge member, m is 1 or 2 and n is 1, 2 or 3.  The dyes wherein W is a sulphonamido or carbonamido bridge member are prepared by treating a metallized or metallizable azo dye or a diazo or coupling component which contains an acylatable amino or amido group with a haloquinoxaline sulphonic acid or carboxylic acid halide and if necessary forming an azo dye by the usual coupling reaction and/or metallizing.  Alternatively haloquinoxalines containing an -NH2 group in the benzene ring can be used as diazo components in the formation of metallized azo dyes or linked with amino group-containing metallized azo dyes by reaction with phosgene.  The dyes may be used to colour amide or hydroxyl group-containing materials, in particular cellulose materials, by the usual reactive dye processes. In examples the preparation of copper, chromium and cobalt complexes of mono- and disazo dyes is described. Specifications 995,792, 995,793, 995,794 and 995,796 are referred to.
Patent GB-1198652-A (GB)
Title: Coloration Process
Inventor: ANDERTON CATHERINE MARGARET
IPC: C09B69/00
Filed: 1967-02-01
Abstract: 1,198,652. Dyeing polyesters. IMPERIAL CHEMICAL INDUSTRIES Ltd. 30 Jan., 1968 [1 Feb., 1967], No. 4825/67. Heading D1B. Aromatic polyesters and cellulose triacetate textile materials are dyed from neutral or alkaline aqueous solution with a dye of formula I: in which D is a dyestuff radical free from carboxylic and sulphonic acid groups, R is hydrogen or an optionally substituted lower (C 1-4 ) alkyl group, M is a metal atom or an ammonium cation, n is an integer 1-6 and m is an integer 1-4.
Patent GB-289986-A (GB)
Title: Improvements in apparatus for playing games of skill
IPC: A63B67/06
Filed: 1927-02-21
Abstract: 289,986. Coan, R. W. Feb. 21, 1927. Parlour games; cutdoor games.-Appliances for playing a game of the kind in which rings are pitched at a ball comprises a polyhedral ball, Fig. 1, formed of rubber or other material, and a number of rings, Fig. 2, each having a central polygonal hole d and a rim b. The rings may be formed of metal rubber or other material.
Patent GB-1103058-A (GB)
Title: Improvements in or relating to conveyors
IPC: E01B25/12
Filed: 1967-02-02
Abstract: 1,103,058. Conveyer systems; switches. JERVIS B. WEBB CO. 2 Feb., 1967 [7 Feb., 1966], No. 5061/67. Heading B7L. In a conveyer, of the floor truck carrier or overhead carrier type, having a main path of travel 14, Fig. 1, along which a carrier e.g. a floor truck 10 with a tow drive pin 12 is propelled by a pusher 16 on an underfloor endless propelling chain 18, a branch path of travel 32 having an underfloor endless propelling chain 24 with pushers (30), Fig. 4 (not shown), and a switch tongue 34, the latter has a resetting member 48 secured to its underside the member 48 having a cam surface 49 which extends into the path 14 for engagement by a pusher 16, when the switch tongue is in the branch position shown in full lines, whereby the tongue is moved by the pusher 16 to the main position shown in dot-dash lines. The tongue 34 is mounted on an arm 36 pivoted at 37 and connected to an overcentre spring 40 and also to an operating solenoid 42. To avoid jamming of a tow pin 12 with a pusher (30) the latter is provided on the side adjacent the main path with an inclined cam surface, to raise the pin 12.
Patent GB-372437-A (GB)
Title: Improvements in or relating to railway axle counting devices
IPC: B61L1/16
Filed: 1931-02-17
Abstract: 372,437. Axle counting devices for railways. VEREINIGTE EISENBAHNSIGNALWERKE GES., Siemensstadt, Berlin. Feb. 17, 1931, No. 5066. Convention date, Jan. 24. Addition to 372,436. [Class 105.] In the axle counting device of the parent Specification the step-by-step motor is provided with an armature having a large number of pole teeth. As shown in' Fig. 1 the teeth 1, 2 are aligned with the normally active poles 3, 4 while the teeth 5, 6 lie near the poles 7, 8 respectively, so that when one or other pole 7, 8 is excited only a small angular movement takes place. In the form shown in Fig. 2 the poles are sub-divided so that a still smaller movement is effected, the teeth 13, 14 moving into line with the two part-poles 15, 16 when the pole 8 is excited. The normally active poles 3, 4 may be permanent magnets.
Patent GB-1110811-A (GB)
Title: Improvements in or relating cooling devices
Inventor: HOYES WILLIAM ADLARD
IPC: H01L31/024
Filed: 1963-02-07
Abstract: 1,110,811. Photo-sensitive rediation detectors. MINISTER OF TECHNOLOGY. 7 Feb., 1964 [7 Feb., 1963], No. 5120/63. Heading H1K. [Also in Division F4]  A photo-sensitive device for detecting small infra-red signals includes a cooling system effective by the expansion of a refrigerant and comprises a reservoir 1 initially filled under pressure with a liquid refrigerant through a closable part 1A and releasable through an outlet 10. A cupro-nickel tube 2 having an orifice 14 connects the reservoir 1 with an expansion chamber 3 of high conductivity copper, a wall 4 of the chamber carrying a Sintox (Trade Mark) substrate 5 on which a photo-sensitive layer 6 is deposited. The chamber 3 exhausts to a cavity 8 through a cupro-nickel tube 7, the cavity 8 exhausting through a cupro-nickel tube 9 to an outlet 10 normally closed, e.g., by a frangible seal. A skirt 11 having a sapphire window 12 encloses a space 11A which is evacuated through a stem 12A. Initially, the whole device is filled with the refrigerant except for the space 11A and in order to cool the layer 6 the seal on the outlet 10 is broken whereupon the refrigerant in chamber 3 expands to escape through outlet 10 while refrigerant from the reservoir 1 expands into the chamber 3 through the orifice 14. In a modified expansion chamber 3, Fig. 2, in which the effects of external accelerations are reduced, the ends of the tubes 2, 7 are extended and surrounded by wads of silica wool 17, 19 held by cages 18, 20 of copper gauze.